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FIRMS code

S357 POST OFFICE

Active CBP administrative site

Facility details

FIRMS code
S357
Name
POST OFFICE
Address
GRANT AND GONZALEZ
ROMA, TX 78584
Status
Active (A)
Facility type
CBP administrative site (08)
CBP port
Roma, TX (2310)
CBP region
6
Last changed
2026-10-23
Data as of
2026-10-23

Pre-filing validation

Validate S357 before you file

Check S357 against the port and use on your filing before ACE does: list, status, port (ACE 164) and facility type. 

curl https://api.firmsapi.com/v1/validate \
  -H "x-api-key: $FIRMSAPI_KEY" -H "content-type: application/json" \
  -d '{"code":"S357","port":"2310","use":"location_of_goods"}'
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Nearby facilities in the same port

CodeNameTypeDistance
S347 PORT OF ROMA SUPV INSP CBP administrative site 582 m
S773 Falcon Bonded Warehouse Bonded warehouse 1.3 km
S348 ROMA PORT OF ENTRY CBP administrative site 2.4 km
S361 U. S. CUSTOMS IMPORT LOT Inspection facility 2.4 km
S0M5 Rio Duty Free Store Bonded warehouse 3.0 km

Source: U.S. Customs and Border Protection FIRMS code list, data as of 2026-10-23. FIRMSapi is not affiliated with CBP; confirm bond status and filing details in ACE.